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Finding the Fourth Proportional to 511,108.60, 704,851.47 and 403,934.67

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Solution

The fourth proportional to 511,108.60, 704,851.47 and 403,934.67 is: 557,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,108.60 : 704,851.47 = 403,934.67 : x
  2. Step 2: Convert to fraction form
    511,108.60/704,851.47 = 403,934.67/x
  3. Step 3: Cross multiply
    511,108.60x = 704,851.47 × 403,934.67
  4. Step 4: Simplify right side
    511,108.60x = 284,713,945,933.47
  5. Step 5: Solve for x
    x = 284,713,945,933.47/511,108.60
  6. Step 6: Final answer
    x = 557,051.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.